Issue 1-2, 2014
ELECTROTECHNICA & ELECTRONICA E+E
Vol. 49. No 1-2/2014
Monthly scientific and technical journal
Published by:
The Union of Electronics, Electrical Engineering and Telecommunications /CEEC/, BULGARIA
C O N T E N T S
COMMUNICATION TECHNICS
Mario Ivanov
Improvement of the information services by using means of the IT infrastructure library 2
Georgi Balabanov, Seferin Mirtchev
Dynamic queue management of partial shared buffer with mixed priority for QoS guarantee in LTE uplink 7
Elitsa D. Gospodinova, Tashko A. Nikolov
Model of information security system based on distributed data transmission 14
Snejana G. Pleshkova, Kalina Hr. Peeva
Speech quality dependence investigation from transmission channel characteristics and voice encoding methods 20
Emil E. Vladkov
A ZigBee based sensor network for road traffic monitoring 26
ELECTRONICS
Peter T. Goranov
Analysis of a current source supplied inverter 33
Ivan P. Maradzhiev, Emil I. Dinkov
PSpice model of a brushless machine operating in a generator mode by converting the inverter in a boost converter 40
Marieta G. Kovacheva
Behavioral modeling and simulation of digital phase-locked loops using VHDL-AMS 45